Senior Java Developer

Job description

TSRD (Time Series Reference Data) is a system responsible for collecting, cleansing, storing and providing time series data used for market risk calculations. Data are loaded daily from multiple source systems for over 1.5 million instruments. The data are cleansed using AI algorithms and supplied to dozens of client systems and applications. Amount of data processed and number of supported interfaces causes high complexity and huge performance requirements. The server application is implemented in JAVA and deployed to Weblogic cluster.The data are stored in Oracle DB.


The current team responsible for application has around 15 developers, 10 QAs and 10 DevOps/L3 support engineers. The development is working in two scrum teams. The support and devops tasks are executed in Kanban.

The team is distributed between multiple locations in Wroclaw, London and India.


The candidate will work with complex distributed system, working on Linux and Windows systems. Application integrates with multiple third party system over different interfaces using various technologies.


Your responsibilities

You will work on back-end server components and your tasks will include:

  • Build high quality software in conformance with best practices and coding standards
  •  Analyse potential issues with race conditions, memory leaks, transactions, latency or throughput in distributed environment
  • Work with tech leads, business analytics, project manager and release manager
  • Take active part in code design and reviews
  • Absorb and gain relevant subject expertise and with time help more junior developers
  • Take part in Proof of Concept sub-projects to investigate new technologies
  • Participate in software design sessions and consultations
  • Cooperate with .Net team to investigate external components (upstream and downstream components)
  • Work in Agile software development environment

Our requirements

  •  5+ years of Java development
  • Good knowledge of Core Java (preferably Java EE), Spring, JDBC, Hibernate
  • Solid understanding of design principles/patterns
  • DB query experience (SQL, HQL)
  • Experience with testing frameworks (Junit, Mockito)
  • Experience with continuous integration systems (for exampleTeamCity, Maven)
  • English language on good, communicative level



  • Experience with containerization (Docker, Kubernetes, OpenShift)
  • Knowledge of J2EE application servers
  • Experience with miogration of application to cloud


  • Attractive salary referring to your skills and experience
  • Remote work during Covid-19 pandemic and home office option in the future (#LI-Remote)
  • For contractors - entitlement to additional 23 days off
  • For COW employees - additional paid day off for volunteering
  • Joining the company that is providing exceptional services for the biggest, international customers with recognizable worldwide brands
  • Private medical healthcare
  • Multisport Card
  • Life insurance
  • Personal event bonus (i.e. wedding, childbirth, graduation)
  • Internal referral program

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